DUCT WORK:

Eastern Sheet Metal
Perry Fiberglass
Spiral Air

ELECTRIC HEAT:

Markel

FANS:

Loren Cook Company
(CFM) Continental Fan Mfg.
Powered Aire – Air Curtains
Fantech (Specialty fans)

FILTERS:

Airguard
3M Filtrete
Contamination Tech. Corp.

GAS MONITORING EQUIPMENT:

Honeywell-Analytics (Vulcain)

HEATING VENTILATION AND
AIR HANDLING EQUIPMENT:

AbsolutAire Inc.
T.M.I.
RenewAire
Sterling

KITCHEN HOODS:

Spring Air Systems
Captive-Aire / K-Tech

LOUVERS / DAMPERS:

Ruskin
 

NOISE CONTROL:

Vibro-Acoustics
Ruskin Sound Control

REGISTERS, GRILLES, DIFFUSERS,
VAV’S:

Krueger

STACKS AND BREECHING:

AMPCO
Heat Fab – AL294C

VARIABLE FREQUENCY DRIVES:

 Emerson Electric

MISC.:

Gripple Hang-Fast
Car-Mon
Conn-Fab Sales
Ward Industries
Kees
Envirco